diff options
Diffstat (limited to 'src/mga.h')
| -rw-r--r-- | src/mga.h | 29 |
1 files changed, 29 insertions, 0 deletions
@@ -147,6 +147,32 @@ void MGAdbg_outreg32(ScrnInfoPtr, int,int, char*); outMGAdreg(MGA1064_DATA, tmp | (val)); \ } while (0) +#define MGAWAITVSYNC() \ + do { \ + unsigned int count = 0; \ + unsigned int status = 0; \ + do { \ + status = INREG( MGAREG_Status ); \ + count++; \ + } while( ( status & 0x08 ) && (count < 250000) );\ + count = 0; \ + status = 0; \ + do { \ + status = INREG( MGAREG_Status ); \ + count++; \ + } while( !( status & 0x08 ) && (count < 250000) );\ + } while (0) + +#define MGAWAITBUSY() \ + do { \ + unsigned int count = 0; \ + unsigned int status = 0; \ + do { \ + status = INREG8( MGAREG_Status + 2 ); \ + count++; \ + } while( ( status & 0x01 ) && (count < 500000) ); \ + } while (0) + #define PORT_OFFSET (0x1F00 - 0x300) #define MGA_VERSION 4000 @@ -693,6 +719,9 @@ long MGAG450SavePLLFreq(ScrnInfoPtr pScrn); void MGAprintDac(ScrnInfoPtr pScrn); void MGAG200SESaveFonts(ScrnInfoPtr, vgaRegPtr); void MGAG200SERestoreFonts(ScrnInfoPtr, vgaRegPtr); +void MGAG200SESaveMode(ScrnInfoPtr, vgaRegPtr); +void MGAG200SERestoreMode(ScrnInfoPtr, vgaRegPtr); +void MGAG200SEHWProtect(ScrnInfoPtr, Bool); #ifdef USEMGAHAL /************ ESC Call Definition ***************/ |